GB339541A - Improvements in flame-proof casings for electrical apparatus - Google Patents

Improvements in flame-proof casings for electrical apparatus

Info

Publication number
GB339541A
GB339541A GB3248/30A GB324830A GB339541A GB 339541 A GB339541 A GB 339541A GB 3248/30 A GB3248/30 A GB 3248/30A GB 324830 A GB324830 A GB 324830A GB 339541 A GB339541 A GB 339541A
Authority
GB
United Kingdom
Prior art keywords
flame
electrical apparatus
proof casings
casings
proof
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3248/30A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Schuckertwerke AG
Siemens Corp
Original Assignee
Siemens Schuckertwerke AG
Siemens Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Schuckertwerke AG, Siemens Corp filed Critical Siemens Schuckertwerke AG
Publication of GB339541A publication Critical patent/GB339541A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • H01H9/042—Explosion-proof cases
GB3248/30A 1929-01-31 1930-01-30 Improvements in flame-proof casings for electrical apparatus Expired GB339541A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE339541X 1929-01-31

Publications (1)

Publication Number Publication Date
GB339541A true GB339541A (en) 1930-12-11

Family

ID=6223741

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3248/30A Expired GB339541A (en) 1929-01-31 1930-01-30 Improvements in flame-proof casings for electrical apparatus

Country Status (2)

Country Link
BE (1) BE367407A (enrdf_load_stackoverflow)
GB (1) GB339541A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE367407A (enrdf_load_stackoverflow)

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